%0 Journal Article %T Plan optimization with L0-norm and group sparsity constraints for a new rotational, intensity-modulated brachytherapy for cervical cancer %A Kim, Hojin %A Lim, Young Kyung %A Goh, Youngmoon %A Jeong, Chiyoung %A Hwang, Ui-Jung %A Choi, Sang Hyoun %A Cho, Byungchul %A Kwak, Jungwon %J PLoS ONE %V 15 %N 7 %D 2020-07-28 %I Public Library of Science %~ DeepDyve